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Species Oedemasia concinna - Red-humped Caterpillar Moth - Hodges#8010

Not a birch sawfly, but some kind of moth - Oedemasia concinna Red-humped Caterpillar Moth - Oedemasia concinna Schizura concinna - Oedemasia concinna Catepillar - Oedemasia concinna Datana larvae on cherry - Oedemasia concinna Schizura concinna? - Oedemasia concinna - male caterpillars - Oedemasia concinna Red Humped Caterpillar - Oedemasia concinna
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Notodontidae (Prominent Moths)
Subfamily Heterocampinae
Genus Oedemasia
Species concinna (Red-humped Caterpillar Moth - Hodges#8010)
Hodges Number
8010
Synonyms and other taxonomic changes
Oedemasia concinna (Smith, 1797)
Phalaena concinna Smith, 1797
Oedemasia nitida Packard, 1864
Explanation of Names
Oedemasia concinna (Smith, 1797), n. comb. in Becker (2014) (1), was formerly placed in the genus Schizura.
Size
Larva to 35mm
Identification
Specimen identified by DNA analysis:


Caterpillar has bright red head and red hump over segment A1. Striping is variable but includes black, yellow and white pinstripes. Takes up a defensive posture raising the rear end when disturbed.
Range
Canada: NS to western ON; USA: ME south to FL and west to IL and eastern TX and a western population in CO, UT and AZ (possibly contiguous "through northern Rockies or across the Great Plains"). (2)
Type locality (concinna): Georgia.
Type locality (nitida): Janesville, MD.
Food
Larvae feed on a wide range of woody plants, from many different families.
Life Cycle
1. First instar caterpillars and eggs. 2 and 3. Later instars. 4. Prepupa. 5. Adult
See Also
Oedemasia salicis is separated by range with potential overlap in the Pacific Northwest.
Print References
Powell, J. A. & P. A. Opler, Moths of Western North America, pl. 42.22, 42.23; p. 251.(3)
Wagner, p.311 (4)
Works Cited
1.Checklist of New World Notodontidae (Noctuoidea)
Becker, V.O. 2014. Lepidoptera Novae, 7(1): 1-40.
2.Noctuoidea, Notodontidae (Part 2, Conclusion): Heterocampinae, Nystaleinae, Dioptinae, Dicranurinae
Miller, J.S., D.L. Wagner, P.A. Opler & J.D. Lafontaine. 2021. The Moths of America north of Mexico, Fascicle 22.1B: 1-443.
3.Moths of Western North America
Powell and Opler. 2009. UC Press.
4.Caterpillars of Eastern North America
David L. Wagner. 2005. Princeton University Press.
5.North American Moth Photographers Group
6.BOLD: The Barcode of Life Data Systems